byNASA -- Animation courtesy NASA GSFC Scientific Visualization Studio, based on data from MODIS, Landsat 7, and Space Imaging's IKONOS. Still image copyright www.spaceimaging.com/ Space Imaging, Inc.
Satellite remote sensors view the Earth at many scales of space, ranging from global through continental, regional, and local--even observing details as small as one meter (three feet) across. These data enable scientists to study a wide range of phenomena that occur over these same scales of space, such as El Nino, droughts, storms, and flash floods. The above image shows the Hollywood sign above Los Angeles, California. It is the final frame in an... Topics: What -- Earth, What -- Terra, What -- Landsat 7, Where -- Los Angeles, Where -- California Source: http://earthobservatory.nasa.gov/IOTD/view.php?id=1387